Multi-channel steam conditioning device for feed granulator
By using a multi-channel design and a precisely controlled steam conditioning device, the problems of uneven contact between materials and steam and high energy consumption have been solved, achieving a highly efficient and energy-saving feed pelleting process and improving conditioning consistency and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-09
- Publication Date
- 2026-03-13
AI Technical Summary
Existing steam conditioning equipment suffers from problems such as uneven contact between materials and steam, resulting in localized over-wetness or over-dryness, poor conditioning consistency, high energy consumption, easy jamming during material conveying, and cumbersome cleaning and maintenance.
The steam conditioning device for feed pellet mills with a multi-channel design includes components such as an inclined feed pipe, a screen cylinder, a rotating ring, a brush plate, and fan blades. It achieves uniform contact between the material and steam through inclined gravity flow and screen cylinder rotation. Combined with precise steam flow control and an automatic cleaning structure, it reduces energy consumption.
It achieves uniform contact between materials and steam, improves conditioning consistency, reduces energy consumption, simplifies cleaning and maintenance, and improves production efficiency and product quality.
Smart Images
Figure CN121648812A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of steam conditioning technology, and in particular to a multi-channel steam conditioning device for feed pellet mills. Background Technology
[0002] In feed pelleting production, steam conditioning is a key step in ensuring the quality of pelleted feed. Its core lies in fully contacting the feed raw materials with steam to regulate the temperature and humidity of the materials, thereby softening starch and protein and improving pellet formation rate and pellet stability.
[0003] However, existing steam conditioning devices suffer from uneven material-steam contact due to their single-channel design, leading to localized over-wetting or over-drying and affecting conditioning consistency. Furthermore, the lack of precise control over steam flow, temperature, and humidity makes it difficult to adapt to the conditioning requirements of different formulations. Material tends to accumulate and agglomerate during transport, creating conditioning dead zones, and the mesh cylinder pores are easily clogged by adhering material, hindering steam flow. Simultaneously, the multi-functional module requires multiple power units, resulting in high energy consumption and operating costs. In addition, traditional devices suffer from material conveying jams and cumbersome manual cleaning and maintenance, severely restricting the production efficiency and product quality of feed pelleting. Therefore, there is an urgent need for a structurally optimized, highly efficient, and energy-saving steam conditioning device to solve these problems. Thus, those skilled in the art provide a multi-channel steam conditioning device for feed pellet mills to address the problems mentioned in the background. Summary of the Invention
[0004] The purpose of this invention is to address the problems existing in the background art by proposing a multi-channel steam conditioning device for feed pellet mills.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a multi-channel steam conditioning device for a feed pellet mill, comprising a feed pellet mill body, a feed pipe, a steam pipe, a mesh cylinder, and a driven shaft. The feed pellet mill body is provided with a feed pipe at its feed end. A steam pipe is connected to one side of the lower end of the feed pipe, and a discharge pipe is connected to one side of the upper end of the feed pipe. A mesh cylinder is suspended at the center of the feed pipe. Rotating rings are provided at both ends of the mesh cylinder. Ring seats that are rotatably installed with the rotating rings are provided on the inner walls of both ends of the feed pipe. A toothed ring is sleeved on the outer wall of the mesh cylinder. A second motor is provided on one side of the upper end of the feed pipe. A disc gear that meshes with the toothed ring is provided at the output end of the second motor.
[0006] Preferably, the feed pipe is inclined, and the lower part of the inclined surface is connected to the feed inlet of the feed pellet mill body. The feed pelleting raw materials fed into the feed pipe flow by gravity through the inclined surface into the feed pellet mill body.
[0007] Preferably, a sealing seat is provided on the inner wall of the steam pipe, and a valve leaf is rotatably installed inside the sealing seat. Both ends of the valve leaf are provided with valve stems rotatably installed inside the steam pipe, and one end of each valve stem is provided with a handle. When the handle is gripped and the valve stem is rotated, the valve leaf rotates inside the sealing seat, thereby adjusting the opening of the steam pipe and regulating the steam flow rate entering the steam pipe.
[0008] Preferably, a temperature sensor and a humidity sensor are installed inside the steam pipe. The temperature sensor and humidity sensor detect the temperature and humidity of the steam.
[0009] Preferably, the rotating rings are provided with support rods arranged in a circular array and penetrating the toothed ring. The rotating rings are connected by the support rods, which also reinforce the mesh cylinder, ensuring that the strength of the mesh cylinder allows for continuous rotation.
[0010] Preferably, a feed hopper with an opening that gradually decreases in size towards the inside of the feed pipe is suspended at one end of the feed pipe. Fixed rods arranged in a circular array are positioned between the feed hopper and the feed pipe. The feed hopper receives the feed pelleting material and guides it into the mesh cylinder, where it is conveyed through an inclined mesh cylinder. The internal pores of the mesh cylinder ensure the flow of the feed pelleting material while simultaneously ensuring effective contact between the steam and the material.
[0011] Preferably, a brush plate is provided inside the upper end of the mesh cylinder, and the upper end of the brush plate is provided with brushes evenly distributed and in contact with the inner wall of the upper end of the mesh cylinder. A support frame is provided on the inner wall of the upper end of the feed pipe, which is sleeved on the inner side of the mesh cylinder. A spring is provided between the support frame and the brush plate. The brush plate is elastically supported by the spring, so that the brushes are elastically in contact with the inner wall of the mesh cylinder, and the feed pelleting raw materials adhering to the inner wall of the mesh cylinder are effectively scraped and brushed off.
[0012] Preferably, a sliding sleeve is embedded inside the support frame, and a guide rod located inside the spring and connected to the brush plate at its upper end is slidably inserted inside the sliding sleeve. During the extension and retraction of the spring, the guide rod slides inside the sliding sleeve, preventing the spring from shifting outward and ensuring stable longitudinal movement of the brush plate.
[0013] Preferably, a motor is installed at the upper end of the feed pipe, and a bearing bracket is installed inside the discharge pipe. A longitudinally distributed driven shaft is rotatably mounted inside the bearing bracket. Equally spaced fan blades are arranged on the outer wall of the upper end of the driven shaft, and a driven wheel is installed at the upper end of the driven shaft. A drive wheel is sleeved on the outer wall of the motor output end, and belts are sleeved on the outer walls of both the drive wheel and the driven wheel. The drive wheel and the driven wheel are linked by belts. The output power of the motor is transmitted to the driven shaft. When the driven shaft drives the fan blades to rotate, the generated airflow helps the steam flow towards the discharge pipe, ensuring that the steam effectively contacts the feed pelleting raw materials during its flow inside the mesh cylinder.
[0014] Preferably, a bearing bracket two is provided on one side of the upper end of the feed pipe. A central shaft located at the center of the mesh cylinder is rotatably mounted inside the bearing bracket two. Multiple sets of equidistantly distributed tilting plates are provided on the outer wall of the central shaft. A bevel gear two is provided at one end of the central shaft, and a bevel gear one is provided at the lower end of the driven shaft. The bevel gear one and bevel gear two mesh with each other. Ball boxes are rotatably fitted onto the outer walls of both the driven shaft and the central shaft. The rotational force of the driven shaft is transmitted to the bevel gear two on the central shaft through the bevel gear one, thereby driving the central shaft to rotate. This causes the tilting plates to rotate in the opposite direction to the mesh cylinder, turning the raw materials for feed pelleting.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: The feed pelleting raw materials of this invention are continuously conveyed at a high position in the mesh cylinder, conveyed to the end of the feed pipe, and finally enter the pellet mill from the feed pellet mill body's feed port. During the conveying process, steam enters the feed pipe through the steam pipe and comes into contact with the feed pelleting raw materials through the mesh cylinder. Steam is a dual medium for heating and humidifying, which can quickly increase the material temperature, replenish moisture, and soften the starch and protein in the feed raw materials. The contact between the material and the steam avoids local over-wetness and over-dryness. By increasing the process of contact with steam, the consistency of conditioning is improved. Meanwhile, when the mesh cylinder conveys the raw materials for feed pelleting, the mesh cylinder itself rotates, and the tilting plate rotates in the opposite direction during rotation to prevent the raw materials from accumulating. The raw materials for feed pelleting come into uniform contact with the steam, and the mesh cylinder is scraped and cleaned when it passes through the brush, preventing the mesh cylinder from clogging. At the same time, the fan blades inside the discharge pipe assist the flow of steam output, and the rotation of the fan blades and the tilting plate is driven by the same motor, reducing energy consumption. This achieves high efficiency and energy saving in the process of conditioning the raw materials for feed pelleting with steam. Attached Figure Description
[0016] Figure 1 This is a side-view perspective view of the three-dimensional structure of the present invention; Figure 2 This is a front-view three-dimensional structural schematic diagram of the present invention; Figure 3 This is a front-view three-dimensional structural diagram of the mesh cylinder of the present invention; Figure 4 This is a side sectional perspective view of the three-dimensional structure of the present invention; Figure 5 This is a schematic diagram of the main cross-sectional three-dimensional structure of the present invention; Figure 6 This is a three-dimensional structural schematic diagram of the main cross-section of the feed pipe of the present invention; Figure 7 This is a front-view three-dimensional structural diagram of the central axis of the present invention; Figure 8This is a side view of the three-dimensional structure of the mesh tube of the present invention; Figure 9 This is a three-dimensional structural schematic diagram of the main cross-section of the steam pipe of the present invention; Figure 10 This is a top-view three-dimensional structural diagram of the flip-up plate of the present invention; Figure 11 This is a top-view three-dimensional structural diagram of the driven shaft of the present invention; Figure 12 This is a schematic diagram of the main cross-sectional three-dimensional structure of the feed hopper of the present invention.
[0017] Reference numerals in the attached diagram: 1. Feed pellet mill body; 2. Feed pipe; 3. Steam pipe; 4. Discharge pipe; 5. Feed hopper; 6. Motor 1; 7. Mesh cylinder; 8. Fixed rod; 9. Ball box; 10. Drive wheel; 11. Belt; 12. Driven shaft; 13. Driven wheel; 14. Fan blade; 15. Bearing bracket 1; 16. Bevel gear 1; 17. Bearing bracket 2; 18. Support frame; 19. Brush plate; 20. Brush; 21. Tilting plate; 22. Spring; 23. Sliding sleeve; 24. Valve stem; 25. Handle; 26. Temperature sensor; 27. Humidity sensor; 28. Ring seat; 29. Rotating ring; 30. Gear ring; 31. Motor 2; 32. Disc gear; 33. Support rod; 34. Central shaft; 35. Sealing seat; 36. Valve blade. Detailed Implementation
[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0019] Please see Figures 1 to 12 The present invention provides four embodiments: Example 1: A multi-channel steam conditioning device for a feed pellet mill includes a feed pellet mill body 1, a feed pipe 2, a steam pipe 3, a mesh cylinder 7, and a driven shaft 12. The feed pellet mill body 1 is provided with a feed pipe 2 at the feed end. A steam pipe 3 is connected to one side of the lower end of the feed pipe 2, and a discharge pipe 4 is connected to one side of the upper end of the feed pipe 2. A mesh cylinder 7 is suspended at the center of the feed pipe 2. Rotating rings 29 are provided at both ends of the mesh cylinder 7. Ring seats 28 that are rotatably installed with the rotating rings 29 are provided on the inner walls of both ends of the feed pipe 2. A toothed ring 30 is sleeved on the outer wall of the mesh cylinder 7. A second motor 31 is provided on one side of the upper end of the feed pipe 2. A disc gear 32 that meshes with the toothed ring 30 is provided at the output end of the second motor 31. The feed pipe 2 is inclined, and the lower part of the inclined surface is connected to the feed end of the feed pellet mill body 1; In this embodiment, after the material enters the inclined feed pipe 2 through the feed hopper 5, it moves towards the feed pellet mill body 1 by gravity flow due to the inclined surface of the feed pipe 2. At the same time, the motor 2 31 starts and drives the disc gear 32 at the output end to rotate. The disc gear 32 meshes with the gear ring 30 sleeved on the outer wall of the mesh cylinder 7, driving the mesh cylinder 7 to rotate stably on the ring seat 28 on the inner wall of the feed pipe 2 through the rotating rings 29 at both ends. Steam is continuously introduced into the feed pipe 2 from the steam pipe 3 on one side of the lower end of the feed pipe 2. During the process of conveying the material along the inclined direction, the steam permeates evenly through the pores of the mesh cylinder 7 and comes into full contact with the material inside and around the mesh cylinder 7, completing the temperature and humidity conditioning treatment of the material. Finally, the conditioned material flows into the feed pellet mill body 1 by gravity along the inclined feed pipe 2, preparing for subsequent pelleting. The material conveying is highly efficient and energy-saving. The inclined feed pipe 2 uses gravity to achieve the material flow by gravity. Combined with the active rotation and pushing of the mesh cylinder 7, it reduces the consumption of additional conveying power, resulting in lower operating costs. The steam and material contact is more uniform. The porous structure of the mesh cylinder 7 provides a channel for steam circulation, and the rotation of the mesh cylinder 7 causes the material to turn slightly, avoiding material accumulation and allowing the steam to fully cover the material, improving the consistency of conditioning. The rotational cooperation design of the rotating ring 29 and the ring seat 28 ensures the coaxiality of the mesh cylinder 7 during long-term rotation. The motor 2 31 is driven by gear meshing, which ensures precise power transmission and more reliable operation. The overall structure is simple, the cooperation logic of each component is clear, and the later maintenance is convenient, reducing the difficulty of equipment operation and maintenance. To avoid the problems of material conveying jams and stagnation in traditional conditioning devices, the dual action of inclined gravity flow and rotating push of the mesh cylinder 7 ensures continuous and stable material conveying, avoiding production interruptions and the problem of local over-wetness or over-dryness caused by uneven contact between steam and materials. The porous structure of the mesh cylinder 7 combined with its rotational motion allows steam to penetrate evenly into the material pile, ensuring consistent temperature and humidity of the material after conditioning. This solves the problem of high power consumption in traditional conveying methods. The gravity flow design of the inclined feed pipe 2 reduces reliance on additional conveying mechanisms, and the precise gear transmission reduces energy waste. The matching structure of the rotating ring 29 and the ring seat 28, and the gear meshing transmission method reduce vibration and wear during operation, extending the service life of the equipment.
[0020] Example 2: A sealing seat 35 is provided on the inner wall of the steam pipe 3. A valve leaf 36 is rotatably installed inside the sealing seat 35. A valve stem 24 is rotatably installed inside the steam pipe 3 at both ends of the valve leaf 36. A handle 25 is provided at one end of the valve stem 24. A temperature sensor 26 and a humidity sensor 27 are installed inside the steam pipe 3; Support rods 33, arranged in a ring array and penetrating the toothed ring 30, are provided between the rotating rings 29; A feed hopper 5 with an opening that gradually decreases in size and faces the inside of the feed pipe 2 is suspended at one end of the feed pipe 2. Fixed rods 8 arranged in a ring array are provided between the feed hopper 5 and the feed pipe 2. In this embodiment, during the material conveying stage, the feed pelleting raw material enters the device through the feed hopper 5, which gradually decreases in size towards the inside of the feed pipe 2. The feed hopper 5 is stably suspended at the opening of the feed pipe 2 by the fixing rod 8, which can accurately guide the raw material into the mesh cylinder 7 and prevent the raw material from scattering into the gap between the feed pipe 2 and the mesh cylinder 7. At the same time, the rotating rings 29 are connected by the support rods 33 distributed in a ring array, which not only strengthens the structure of the mesh cylinder 7, but also ensures that the mesh cylinder 7 rotates synchronously and stably with the toothed ring 30, driving the material to be conveyed along the inclined feed pipe 2. During the steam regulation stage, the operator can rotate the valve stem 24 by gripping the handle 25, causing the valve leaf 36 to rotate within the sealing seat 35 on the inner wall of the steam pipe 3, thereby adjusting the opening of the steam pipe 3 and controlling the steam flow. At the same time, the temperature sensor 26 and humidity sensor 27 inside the steam pipe 3 detect the temperature and humidity data of the incoming steam in real time, providing a basis for the operator to adjust the opening of the valve leaf 36, ensuring that the steam parameters meet the material conditioning requirements. Finally, the steam fully contacts the conveyed material through the mesh cylinder 7 holes, completing the temperature and humidity regulation. After conditioning, the material flows into the feed pellet mill body 1 by gravity. The tapered opening design of the feed hopper 5 and the stable support of the fixing rod 8 enable directional flow of raw materials, reducing material waste. The reinforcement of the mesh cylinder 7 by the support rod 33 prevents deformation of the mesh cylinder 7 due to long-term rotation or material impact, extending the service life of the mesh cylinder 7. The manual adjustment structure composed of valve leaf 36, valve stem 24 and handle 25 can flexibly control the steam flow rate, adapting to the conditioning needs of raw materials such as high protein and high fiber. The real-time monitoring of temperature sensor 26 and humidity sensor 27 makes the steam parameters visible, avoiding parameter deviations caused by experience-based adjustment. The cooperation between the sealing seat 35 and valve leaf 36 not only ensures the accuracy of steam regulation, but also reduces steam leakage and energy consumption. The annular array distribution of the support rod 33 makes the mesh cylinder 7 subjected to uniform force, with less vibration during rotation, improving the overall stability of the device operation. Traditional devices lack a directional flow guide structure, causing raw materials to easily accumulate on the inner wall of the feed pipe 2 or the outer side of the mesh cylinder 7. The feed hopper 5 is designed to precisely guide the raw materials into the mesh cylinder 7, avoiding waste and equipment blockage. Traditional devices have a fixed steam flow rate, which cannot be adjusted according to the characteristics of the raw materials, easily leading to materials that are too wet or too dry. In this embodiment, the steam flow rate, temperature, and humidity are precisely controlled through valve blade 36 adjustment and sensor monitoring, adapting to the conditioning requirements of different materials. The mesh cylinder 7 is prone to deformation due to uneven force during long-term rotating material conveying. The reinforcement effect of the support rod 33 can improve the impact resistance of the mesh cylinder 7, avoiding material conveying jams or uneven steam contact caused by the deformation of the mesh cylinder 7. The tight fit between the sealing seat 35 and the valve blade 36 reduces steam leakage during the adjustment process, reducing energy waste and avoiding safety risks to operators due to steam leakage.
[0021] Example 3: A brush plate 19 is provided inside the upper end of the mesh cylinder 7. Brushes 20 are evenly distributed and attached to the inner wall of the upper end of the mesh cylinder 7 at the upper end of the brush plate 19. A support frame 18 is provided on the inner wall of the upper end of the feed pipe 2 and is sleeved on the inner side of the mesh cylinder 7. A spring 22 is provided between the support frame 18 and the brush plate 19. A sliding sleeve 23 is embedded inside the support frame 18, and a guide rod located inside the spring 22 and connected to the brush plate 19 at its upper end is slidably inserted inside the sliding sleeve 23. In this embodiment, during device operation, the mesh cylinder 7 rotates continuously with the gear ring 30 driven by the motor 31. The brush plate 19 inside the upper end of the mesh cylinder 7 forms an elastic support structure with the spring 22 through the support frame 18. The spring 22 always applies a downward elastic force to the brush plate 19, so that the brush 20 at the upper end of the brush plate 19 is in close contact with the inner wall of the mesh cylinder 7. When the mesh cylinder 7 rotates, the feed material adhering to the inner wall will be scraped and cleaned by the continuously rotating brush 20, avoiding the accumulation of material in the pores of the mesh cylinder 7. At the same time, the guide rod between the brush plate 19 and the support frame 18 can slide longitudinally in the sliding sleeve 23 inside the support frame 18. When the inner wall of the mesh cylinder 7 is unevenly stressed due to local material residue thickness changes, the spring 22 will extend and retract accordingly, and the guide rod will move directionally along the sliding sleeve 23, which not only avoids the spring 22 from shifting laterally, but also ensures that the brush plate 19 is always stably attached to the inner wall of the mesh cylinder 7, ensuring uniform cleaning effect. During this process, steam is still introduced through steam pipe 3, and fully contacts the conveyed material through the holes of mesh cylinder 7 to complete conditioning. After cleaning, mesh cylinder 7 continues to ensure steam flow and material conveying efficiency. Finally, the conditioned material enters the granulator body along the inclined feed pipe 2. No manual disassembly and cleaning is required. The brush 20 is elastically attached to the inner wall of mesh cylinder 7 by spring 22 and achieves real-time automatic cleaning as mesh cylinder 7 rotates, reducing manual maintenance costs and avoiding production interruption due to machine shutdown for cleaning. The cooperation between sliding sleeve 23 and guide rod restricts the movement direction of brush plate 19, ensuring that brush 20 is always longitudinally attached to the inner wall of mesh cylinder 7. Even if there is slight unevenness or local material residue on the inner wall of mesh cylinder 7, the elastic extension and contraction of spring 22 can adaptively adjust to ensure cleaning without dead corners. The cleaning structure is located inside the mesh cylinder 7, which does not occupy the steam flow space in the feed pipe 2, nor does it interfere with the tilting and gravity flow of the material and its contact with the steam. While ensuring the cleaning effect, it maintains the conditioning efficiency and the consistency of the material temperature and humidity. In traditional devices, feed raw materials are prone to sticking to the inner wall and pores of the mesh cylinder 7 due to stickiness or humidity. Long-term accumulation will block the steam channel, resulting in uneven contact between steam and material, and may even cause the mesh cylinder 7 to rotate and jam. The brush 20 in this embodiment can clean in real time to avoid pore blockage, ensure smooth steam flow, and maintain stable conditioning effect. To address the issues of low efficiency and high cost of manual cleaning: Traditional cleaning of the mesh cylinder 7 requires machine shutdown and disassembly, which is not only time-consuming and affects production progress, but also requires labor costs. The automatic cleaning structure of this embodiment can complete cleaning simultaneously while the device is running, greatly reducing maintenance difficulty and cost. If the cleaning structure is rigidly fixed, the brush 20 is prone to uneven wear due to the rotation and vibration of the mesh cylinder 7 or local material residue, and may even scratch the inner wall of the mesh cylinder 7. The elastic support of the spring 22 and the directional sliding design of the guide rod can adapt to changes in the state of the mesh cylinder 7, extend the service life of the brush 20 and the mesh cylinder 7, and avoid additional equipment wear.
[0022] Example 4: A motor 6 is installed at the upper end of the feed pipe 2, and a bearing bracket 15 is installed inside the discharge pipe 4. A driven shaft 12 is rotatably installed inside the bearing bracket 15. Fan blades 14 are evenly distributed on the outer wall of the upper end of the driven shaft 12. A driven wheel 13 is installed at the upper end of the driven shaft 12. A drive wheel 10 is sleeved on the outer wall of the motor output end. A belt 11 is sleeved on the outer wall of both the drive wheel 10 and the driven wheel 13. A bearing bracket 2 17 is provided on one side of the upper end of the feed pipe 2. The central shaft 34 located at the center of the mesh cylinder 7 is rotatably installed inside the bearing bracket 2 17. Multiple sets of equidistantly distributed flipping plates 21 are provided on the outer wall of the central shaft 34. A bevel gear 2 is provided at one end of the central shaft 34. A bevel gear 16 is provided at the lower end of the driven shaft 12. The bevel gear 16 meshes with the bevel gear 2. Ball boxes 9 are rotatably sleeved on both the driven shaft 12 and the outer wall of the central shaft 34.
[0023] In this embodiment, after the device is started, motor 6 serves as the core power source. Through the drive wheel 10 and belt 11 at the output end, it drives the driven shaft 12 on the bearing bracket 15 inside the discharge pipe 4 to rotate. The fan blades 14 on the outer wall of the upper end of the driven shaft 12 rotate synchronously with the shaft, forming a directional pushing airflow in the discharge pipe 4. This airflow can accelerate the flow speed of steam in the feed pipe 2, guide the steam to pass through the mesh cylinder 7 more efficiently, and fully contact the material conveyed in the mesh cylinder 7, avoiding uneven contact caused by the steam stagnating in the feed pipe 2. The bevel gear 16 at the lower end of the driven shaft 12 meshes with the bevel gear 2 at one end of the central shaft 34. The central shaft 34 is supported at the center of the mesh cylinder 7 through the bearing bracket 2 17, which transmits the rotational power of the driven shaft 12 to the central shaft 34, causing the central shaft 34 to drive the multiple sets of flipping plates 21 on the outer wall to rotate in the opposite direction to the rotation direction of the mesh cylinder 7. The flipping plates 21 continuously flip the material inside the mesh cylinder 7, breaking the material accumulation state and greatly increasing the contact area between the material and the steam. Meanwhile, the driven shaft 12 and the outer wall of the central shaft 34 are both fitted with ball boxes 9 to ensure stability and smoothness during high-speed rotation and to avoid shaft wear. Finally, the material, after being conditioned by the dual effects of efficient steam flow and full material agitation, flows by gravity into the feed pellet mill body 1 along the inclined feed pipe 2 to complete the conditioning process. Only one motor 6 can simultaneously drive the fan blade 14 to assist the flow of steam and the turning plate 21 to turn the material, eliminating the need for multiple additional power equipment, greatly reducing energy consumption and equipment costs, and meeting the requirements of high-efficiency production. The fan blade 14 accelerates the steam flow and avoids local steam accumulation; the turning plate 21 turns the material in the opposite direction to break up material agglomeration. The two work together to improve the contact efficiency between steam and material, effectively solving the problems of local over-wetness and over-dryness, and ensuring the consistency of material temperature and humidity. The belt 11 drives the distance between the motor 6 and the driven shaft 12 and the bevel gear transmission to achieve a 90° change in power direction. It is compatible with the vertical layout of the driven shaft 12 and the central shaft 34. The bearing bracket ensures stable rotation of the shaft and the ball box 9 reduces shaft wear, ensuring accurate power transmission, low operating noise, and long service life. In traditional devices, steam relies on natural diffusion to contact the material, which can easily stagnate in the feed pipe 2, resulting in insufficient contact between the material and the steam. In this embodiment, the fan blade 14 directs the airflow to guide the steam to quickly cover the entire space of the feed pipe 2, ensuring full-area contact between the steam and the material. When feed ingredients are conveyed in the mesh cylinder 7, they are prone to accumulation due to gravity, forming a conditioning dead zone where the bottom layer of material has more contact with steam and the top layer of material has less contact with steam. The reverse flipping of the flipping plate 21 can break up the material pile, allowing each part of the material to be evenly contacted with steam, eliminating the conditioning dead zone. If steam flow assistance and material flipping are required to be achieved at the same time during the feeding process, two or more motors need to be configured, which not only increases energy consumption, but also causes unstable operation due to poor synchronization of multiple motors. The single motor dual drive design achieves reasonable power distribution through belt 11 and gear transmission, which reduces energy consumption and ensures the coordinated operation of each component.
[0024] The above specific embodiments are merely several preferred embodiments of the present invention. Based on the technical solutions of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A multi-channel steam conditioning device for a feed pellet mill, comprising a feed pellet mill body (1), a feed pipe (2), a steam pipe (3), a mesh cylinder (7), and a driven shaft (12), characterized in that: The feed pellet mill body (1) is provided with a feed pipe (2) at the feed end. A steam pipe (3) is connected to one side of the lower end of the feed pipe (2). A discharge pipe (4) is connected to one side of the upper end of the feed pipe (2). A mesh cylinder (7) is suspended at the center of the feed pipe (2). A rotating ring (29) is provided at both ends of the mesh cylinder (7). A ring seat (28) is provided on the inner wall of both ends of the feed pipe (2) and is rotatably installed with the rotating ring (29). A toothed ring (30) is sleeved on the outer wall of the mesh cylinder (7). A second motor (31) is provided on one side of the upper end of the feed pipe (2). A disc gear (32) that meshes with the toothed ring (30) is provided at the output end of the second motor (31).
2. The multi-channel steam conditioning device for a feed pellet mill according to claim 1, characterized in that: The feed pipe (2) is inclined, and the lower part of the inclined surface is connected to the feed end of the feed pellet mill body (1).
3. The multi-channel steam conditioning device for a feed pellet mill according to claim 1, characterized in that: The inner wall of the steam pipe (3) is provided with a sealing seat (35), and a valve leaf (36) is rotatably installed inside the sealing seat (35). Both ends of the valve leaf (36) are provided with valve stems (24) rotatably installed inside the steam pipe (3), and one end of the valve stem (24) is provided with a handle (25).
4. The multi-channel steam conditioning device for a feed pellet mill according to claim 1, characterized in that: The steam pipe (3) is equipped with a temperature sensor (26) and a humidity sensor (27).
5. A multi-channel steam conditioning device for a feed pellet mill according to claim 1, characterized in that: Support rods (33) arranged in a ring array and passing through the toothed ring (30) are provided between the rotating rings (29).
6. A multi-channel steam conditioning device for a feed pellet mill according to claim 1, characterized in that: A feed hopper (5) with an opening that gradually decreases in size towards the inside of the feed pipe (2) is suspended at one end of the feed pipe (2). Fixed rods (8) arranged in a ring array are provided between the feed hopper (5) and the feed pipe (2).
7. A multi-channel steam conditioning device for a feed pellet mill according to claim 1, characterized in that: The upper end of the mesh cylinder (7) is provided with a brush plate (19), and the upper end of the brush plate (19) is provided with brushes (20) that are evenly distributed and attached to the inner wall of the upper end of the mesh cylinder (7). The upper end of the feed pipe (2) is provided with a support frame (18) that is sleeved on the inner side of the mesh cylinder (7). A spring (22) is provided between the support frame (18) and the brush plate (19).
8. A multi-channel steam conditioning device for a feed pellet mill according to claim 7, characterized in that: The support frame (18) has a sliding sleeve (23) embedded inside, and a guide rod located inside the spring (22) and connected to the brush plate (19) at its upper end is slidably inserted inside the sliding sleeve (23).
9. A multi-channel steam conditioning device for a feed pellet mill according to claim 1, characterized in that: The feed pipe (2) is equipped with a motor (6) at the upper end, and the discharge pipe (4) is equipped with a bearing bracket (15). The bearing bracket (15) is rotatably mounted with a longitudinally distributed driven shaft (12). The outer wall of the upper end of the driven shaft (12) is equipped with equidistantly distributed fan blades (14). The upper end of the driven shaft (12) is equipped with a driven wheel (13). The outer wall of the motor output end is sleeved with a drive wheel (10). The outer walls of the drive wheel (10) and the driven wheel (13) are both sleeved with belts (11).
10. A multi-channel steam conditioning device for a feed pellet mill according to claim 9, characterized in that: A bearing bracket two (17) is provided on one side of the upper end of the feed pipe (2). A central shaft (34) located at the center of the mesh cylinder (7) is rotatably installed inside the bearing bracket two (17). Multiple sets of equidistantly distributed flip plates (21) are provided on the outer wall of the central shaft (34). A bevel gear two is provided at one end of the central shaft (34). A bevel gear one (16) is provided at the lower end of the driven shaft (12). The bevel gear one (16) meshes with the bevel gear two. A ball box (9) is rotatably sleeved on the outer wall of both the driven shaft (12) and the central shaft (34).